Index - E
| Each | Control.Lens.Each, Control.Lens, Control.Lens.Combinators | 
| each | Control.Lens.Each, Control.Lens, Control.Lens.Combinators | 
| Effect | |
| 1 (Type/Class) | Control.Lens.Internal.Zoom, Control.Lens.Internal | 
| 2 (Data Constructor) | Control.Lens.Internal.Zoom, Control.Lens.Internal | 
| EffectRWS | |
| 1 (Type/Class) | Control.Lens.Internal.Zoom, Control.Lens.Internal | 
| 2 (Data Constructor) | Control.Lens.Internal.Zoom, Control.Lens.Internal | 
| element | Control.Lens.Traversal, Control.Lens, Control.Lens.Combinators | 
| elementOf | Control.Lens.Traversal, Control.Lens, Control.Lens.Combinators | 
| elements | Control.Lens.Traversal, Control.Lens, Control.Lens.Combinators | 
| elementsOf | Control.Lens.Traversal, Control.Lens, Control.Lens.Combinators | 
| elemIndexOf | Control.Lens.Fold, Control.Lens, Control.Lens.Combinators | 
| elemIndicesOf | Control.Lens.Fold, Control.Lens, Control.Lens.Combinators | 
| elemOf | Control.Lens.Fold, Control.Lens, Control.Lens.Combinators | 
| Empty | Control.Lens.Empty, Control.Lens, Control.Lens.Combinators | 
| enum | Control.Lens.Iso, Control.Lens, Control.Lens.Combinators | 
| Equality | Control.Lens.Type, Control.Lens.Equality, Control.Lens, Control.Lens.Combinators | 
| Equality' | Control.Lens.Type, Control.Lens.Equality, Control.Lens, Control.Lens.Combinators | 
| Err | |
| 1 (Type/Class) | Control.Lens.Internal.Zoom, Control.Lens.Internal | 
| 2 (Data Constructor) | Control.Lens.Internal.Zoom, Control.Lens.Internal | 
| errno | System.IO.Error.Lens | 
| ErrorCall_ | Control.Exception.Lens | 
| errorType | System.IO.Error.Lens | 
| evalOf | Control.Parallel.Strategies.Lens | 
| Exception | Control.Exception.Lens | 
| exception | Control.Exception.Lens | 
| Exchange | |
| 1 (Type/Class) | Control.Lens.Internal.Iso, Control.Lens.Internal | 
| 2 (Data Constructor) | Control.Lens.Internal.Iso, Control.Lens.Internal | 
| ExitFailure_ | System.Exit.Lens | 
| ExitSuccess_ | System.Exit.Lens | 
| exponentiating | Numeric.Lens | 
| extension | System.FilePath.Lens |